llvm / llvm/llvm-project

Description

uint32_t asr(uint32_t x, int n) {
    return ((x ^ -(x >> 31)) >> n) ^ -(x >> 31);
}

define i32 @src(i32 %1, i32 %2) {
  %4 = ashr i32 %1, 31
  %5 = xor i32 %1, %4
  %6 = lshr i32 %5, %2
  %7 = xor i32 %6, %4
  ret i32 %7
}

define i32 @tgt(i32 %1, i32 %2) {
  %4 = ashr i32 %1, %2
  ret i32 %4
}

Contributor guide

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First steps

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3. Fork the repository and make your change on a branch.
4. Open a pull request that references the issue number.

Assessment

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